Sierra Classic 3500 4WD V8-6.0L (2007)
Automatic Transmission Dipstick - Dipstick Tube: Service and Repair
4L80-E/4L85-E - Automatic Transmission
Transmission Fluid Filler Tube and Seal Replacement
Removal Procedure
1. Remove the oil level indicator.
2. Raise and suitably support the vehicle. Refer to Vehicle Lifting.
3. Remove the fill tube bracket nut.
4. Place a drain pan under the transmission.
5. Remove the fill tube.
6. Remove the transmission fill tube seal.
Installation Procedure
1. Install the transmission fill tube seal.
2. Install the fill tube.
3. Remove the drain pan from under the transmission.
